Murray HA161234CCH Low Voltage Auxiliary Contact Kit, 125/250 VAC, 28 VDC, 30 to 100 A, 1NO/1NC Contact

Auxiliary contacts are available only for heavy duty switches. The auxiliary contacts are available in 1 normally open and 1 normally closed or 2 normally open and 2 normally closed configurations. Siemens offers a PLC auxiliary switch (30 to 200 A) that has very low resistance for low voltage and current typical in PLC circuits. All auxiliary contacts make after and break before main switch contacts.